283 Upcoming 5K Races Near Fountain Valley, CA

The Retro Run – 5K, 10k, 10m, and Half Marathon

Long Beach, CA

Sunday, September 27th, 2026

10K

10 Miles

View details for race The Retro Run – 5K, 10k, 10m, and Half Marathon

Cypress Run

Cypress, CA

Saturday, October 3rd, 2026

View details for race Cypress Run

Walk for Water 5K Los Angeles

Los Angeles, CA

Saturday, October 3rd, 2026

Trail

View details for race Walk for Water 5K Los Angeles

Superheroes Triumph! 5K OC 2026

Irvine, CA

Saturday, October 3rd, 2026

Fast

View details for race Superheroes Triumph! 5K OC 2026

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Cabrillo Beach 5K

San Pedro, CA

Saturday, October 3rd, 2026

10K

View details for race Cabrillo Beach 5K

Haunted Heroes 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, October 3rd, 2026

Half

10K

15K

View details for race Haunted Heroes 5k, 10k, 15k, Half Marathon

3rd Annual 5k Honor and Remember Walk/Run

Rancho Cucamonga, CA

Saturday, October 3rd, 2026

View details for race 3rd Annual 5k Honor and Remember Walk/Run

Palos Verdes Trails 5K

Palos Verdes Peninsula, CA

Sunday, October 4th, 2026

View details for race Palos Verdes Trails 5K

Long Beach Race for Rare 5K Run & Walk Event

Long Beach, CA

Saturday, October 10th, 2026

1 Mile

View details for race Long Beach Race for Rare 5K Run & Walk Event

Rock It in Chino Hills 5K & 10K

Brea, CA

Saturday, October 10th, 2026

10K

Trail

View details for race Rock It in Chino Hills 5K & 10K

Bubble Run | Irvine 2026

Silverado, CA

Saturday, October 10th, 2026

View details for race Bubble Run | Irvine 2026

2026 2XU Long Beach Marathon & Half Marathon

Long Beach, CA

Saturday, October 10th, 2026

Half

Marathon

View details for race 2026 2XU Long Beach Marathon & Half Marathon

Witch Way to the Polls 2026

Los Angeles, CA

Sunday, October 11th, 2026

View details for race Witch Way to the Polls 2026

Montebello Heritage 5K/10K

Montebello, CA

Sunday, October 11th, 2026

10K

View details for race Montebello Heritage 5K/10K

Howl-O-Ween Doggie 5K, 1 Miler by Califlow Runs

Long Beach, CA

Saturday, October 17th, 2026

1 Mile

Fast

View details for race Howl-O-Ween Doggie 5K, 1 Miler by Califlow Runs

Night of the Living Runners – 5K, 10K, 10-Miler...

Long Beach, CA

Saturday, October 17th, 2026

10K

10 Miles

View details for race Night of the Living Runners – 5K, 10K, 10-Miler, Half Marathon

2026 Boyle Heights 5K Run/Walk

Los Angeles, CA

Saturday, October 17th, 2026

View details for race 2026 Boyle Heights 5K Run/Walk

POMONA 5K & 10K

Pomona, CA

Saturday, October 17th, 2026

View details for race POMONA 5K & 10K

Dam Spooky 5k, 10k, 15k, Half Marathon

Lake View Terrace, CA

Saturday, October 17th, 2026

Half

15K

View details for race Dam Spooky 5k, 10k, 15k, Half Marathon

11th Annual Combat Cancer Walk

Corona, CA

Saturday, October 17th, 2026

View details for race 11th Annual Combat Cancer Walk

Pre Registration 2026 - Beverly Hills Run of th...

Beverly Hills, CA

Sunday, October 18th, 2026

View details for race Pre Registration 2026 - Beverly Hills Run of the Stars

2026 Cal Tri LA - 10.18.26

Playa Del Rey, CA

Sunday, October 18th, 2026

10K

View details for race 2026 Cal Tri LA - 10.18.26

Witches Wave - Halloween Run 5K, 10K, and Half ...

Huntington Beach, CA

Sunday, October 18th, 2026

10K

Half

Fast

View details for race Witches Wave - Halloween Run 5K, 10K, and Half Marathon

LIVE LIKE JOJO SUPERHERO EXPERIENCE 2026

San Clemente, CA

Sunday, October 18th, 2026

View details for race LIVE LIKE JOJO SUPERHERO EXPERIENCE 2026

Beverly Hills Run of the Stars: 2026

Beverly Hills, CA

Sunday, October 18th, 2026

View details for race Beverly Hills Run of the Stars: 2026

Vaquero Strong 5K

IRVINE, CA

Saturday, October 24th, 2026

View details for race Vaquero Strong 5K

RunThrough USA Long Beach 5k,10k & Half Maratho...

Long Beach, CA

Saturday, October 24th, 2026

10K

Half

View details for race RunThrough USA Long Beach 5k,10k & Half Marathon Race

Run4Recovery 5K Run/Walk

Covina, CA

Saturday, October 24th, 2026

View details for race Run4Recovery 5K Run/Walk

Monster Dash 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, October 24th, 2026

Half

10K

View details for race Monster Dash 5k, 10k, 15k, Half Marathon

SoCal's Sunset Trick or Trot 5k/10K - Halloween...

Huntington Beach, CA

Saturday, October 24th, 2026

10K

Fast

View details for race SoCal's Sunset Trick or Trot 5k/10K - Halloween Race

1 IN 5K Dyslexia Dash

Los Angeles, CA

Sunday, October 25th, 2026

Trail

View details for race 1 IN 5K Dyslexia Dash

Hop Skip and Splash 5K Fun Run/Walk

Huntington Beach, CA

Sunday, October 25th, 2026

View details for race Hop Skip and Splash 5K Fun Run/Walk

Sharsheret West Coast Dash

Playa Del Rey, CA

Sunday, October 25th, 2026

10K

View details for race Sharsheret West Coast Dash

Spooky Shuffle – 5k, 10k, Half Marathon

Van Nuys, CA

Sunday, October 25th, 2026

10K

Half

View details for race Spooky Shuffle – 5k, 10k, Half Marathon

Trick or Trot 5K, 10K, and Half Marathon by Cal...

Long Beach, CA

Sunday, October 25th, 2026

10K

Half

View details for race Trick or Trot 5K, 10K, and Half Marathon by Califlow Runs

Alhambra Pumpkin Run 2026

Alhambra, CA

Sunday, October 25th, 2026

10K

View details for race Alhambra Pumpkin Run 2026

Happy Halloween 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, October 31st, 2026

15K

10K

View details for race Happy Halloween 5k, 10k, 15k, Half Marathon

The Long Beach Halloween Run 5K. 10K. Half Mara...

Long Beach, CA

Saturday, October 31st, 2026

10K

Half

Fast

View details for race The Long Beach Halloween Run 5K. 10K. Half Marathon by Califlow Runs

Howl-o-ween Doggie Dash 5K

Los Angeles, CA

Saturday, October 31st, 2026

Trail

Fast

View details for race Howl-o-ween Doggie Dash 5K

Whittier Spooktacular 5K

Whittier, CA

Saturday, October 31st, 2026

View details for race Whittier Spooktacular 5K

Northgate Market 5K

Anaheim, CA

Saturday, October 31st, 2026

View details for race Northgate Market 5K

Luz y Vida 5k, 10k, 15k, Half Marathon

Riverside, CA

Sunday, November 1st, 2026

Half

10K

View details for race Luz y Vida 5k, 10k, 15k, Half Marathon

Las Calaveritas 10 Miler

Lake View Terrace, CA

Sunday, November 1st, 2026

10 Miles

View details for race Las Calaveritas 10 Miler

2026 Optimism Cal Tri Newport Dunes - 11.1.26

Newport Beach, CA

Sunday, November 1st, 2026

10K

View details for race 2026 Optimism Cal Tri Newport Dunes - 11.1.26

DINO DASH

Tustin, CA

Sunday, November 1st, 2026

View details for race DINO DASH

Viva la Vida - Día de los Muertos 5K, 10K, and ...

Long beach, CA

Sunday, November 1st, 2026

10K

Half

View details for race Viva la Vida - Día de los Muertos 5K, 10K, and Half Marathon

Halloween Leftovers – 5K, 10K, 10-Miler, Half M...

Long Beach, CA

Sunday, November 1st, 2026

10K

10 Miles

View details for race Halloween Leftovers – 5K, 10K, 10-Miler, Half Marathon

RUN FOR FREEDOM

San Dimas, CA

Saturday, November 7th, 2026

View details for race RUN FOR FREEDOM

Beer City Half™ OC

Santa Ana, CA

Saturday, November 7th, 2026

Half

10K

View details for race Beer City Half™ OC

NIGHT NATION RUN - LOS ANGELES

Pomona, CA

Saturday, November 7th, 2026

View details for race NIGHT NATION RUN - LOS ANGELES

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